PROPERTY, PLANT AND EQUIPMENT - NET (Tables)

12 Months Ended

Sep. 30, 2024

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment - Net

Property, plant and equipment — net consisted of the following (in thousands):

	As of September 30,
	2024		2023
Land and improvements	$	3,209	$	4,829
Buildings and improvements	115,828		129,191
Manufacturing equipment	668,044		631,594
Computer equipment	34,535		32,392
Furnitures and fixtures	7,996		7,290
Vehicles	2,375		1,087
Total property, plant and equipment	831,987		806,383
Construction in progress	59,006		87,348
	890,993		893,731
Accumulated depreciation	(428,792)		(392,708)
Total property, plant and equipment – net	$	462,201	$	501,023